<template>
    <div class="header">
        <van-icon name="arrow-left" class="icon" @click="toBack"></van-icon>
        <div>{{ title }}</div>
        <div class="edit" v-if="edit" @click="handleEdit">{{ store.state.edit ? "编辑" : "完成" }}</div>
    </div>
</template>

<script>
import { useRouter } from 'vue-router';
import { Toast } from 'vant';
import { useStore } from 'vuex';
export default {
    props:['title','edit'],
    setup(){
      const store = useStore()
      const router = useRouter();
      const toBack = () =>{
        router.back();
      }

      const handleEdit = () =>{
        if(store.state.cartList.length){
          store.commit("edit")
          store.commit("changeDelete");
        }else{
          Toast.fail('请添加商品到购物车！')
        }
      }
      return{
        toBack,
        handleEdit,
        store
      }
    }
}
</script>

<style lang="less" scoped>
.header {
    background-color: #fff;
    height: 40px;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #d7d7d7;
    .edit {
      font-size: 16px;
      position: absolute;
      right: 15px;
      font-weight: normal;
    }
    .icon {
      position: absolute;
      left: 10px;
    }
  }
</style>